Patterns of major photosynthetic pigments in freshwater algae. 1. Cyanoprokaryota, Rhodophyta and Cryptophyta

Schagerl, Michael; Donabaum, Karl

doi:10.1051/limn/2003003

Cited by 37 publications

(26 citation statements)

References 84 publications

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“…Cyanobacteria generally contain b-carotene, zeaxanthin, the ketocarotenoids echinenone and canthaxanthin, and the carotenoid-glycoside myxoxanthophyll. Myxoxanthophyll seems to be class-specific, as it has not been detected in any other algal group (Rowan, 1989;Van den Hoek et al, 1993;Schagerl and Donabaum, 2003). However, within cyanobacteria, some differences in pigment content may be observed.…”

Section: Introductionmentioning

confidence: 95%

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Acclimation of chlorophyll a and carotenoid levels to different irradiances in four freshwater cyanobacteria

Schagerl

Müller

2006

Journal of Plant Physiology

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Section: Introductionmentioning

confidence: 95%

“…However, within cyanobacteria, some differences in pigment content may be observed. For example, marine cyanobacteria often contain a reduced pattern of carotenoids (Schagerl and Donabaum, 2003).…”

Section: Introductionmentioning

confidence: 99%

Acclimation of chlorophyll a and carotenoid levels to different irradiances in four freshwater cyanobacteria

Schagerl

Müller

2006

Journal of Plant Physiology

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“…Cyanobacteria also produce carotenoids hydroxylated at the 1 and/or 1 0 positions, including myxol, oscillol, and various myxoxanthophylls ( Fig. 8; Aakermann et al 1992;Schafer et al 2005;Schagerl and Donabaum 2003;Takaichi et al 2006;Tsuchiya et al 2005), but no cyanobacterial genome sequenced to date encoding a homolog of crtC. Chloroflexi also produce 1 0 -hydroxylated carotenoids, which are usually glycosylated (see below); none of the available Chloroflexi genome sequences encode crtC homologs.…”

Section: W-end Modifications In Proteobacteriamentioning

confidence: 99%

The biochemical basis for structural diversity in the carotenoids of chlorophototrophic bacteria

2008

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Ongoing work has led to the identification of most of the biochemical steps in carotenoid biosynthesis in chlorophototrophic bacteria. In carotenogenesis, a relatively small number of modifications leads to a great diversity of carotenoid structures. This review examines the individual steps in the pathway, discusses how each contributes to structural diversity among carotenoids, and summarizes recent progress in elucidating the biosynthetic pathways for carotenoids in chlorophototrophs.

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“…The later is typical of many freshwater cyanoprokaryota and apparently is a class-specific pigment since it has not been detected in eukaryotic algae up to date. 38 However, under conditions used by us, these pigments were not detected. It is also known that cyanobacteria are not capable of ε-ring biosynthesis; 39 therefore, a-carotene and lutein are not found.…”

mentioning

confidence: 65%

“…Alloxanthin is very often the most abundant carotenoid. 38 Our strain of Hillea sp (Cryptophyceae) contained alloxanthin as the main carotenoid. Due to the lack of further available standards, it was not possible to characterize the other pigments (Figure 4).…”

mentioning

confidence: 97%

Comparison of diode array and electrochemical detection in the C30 reverse phase HPLC analysis of algae carotenoids

Guaratini¹,

Cardozo²,

Pinto³

et al. 2009

J. Braz. Chem. Soc.

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A determinação qualitativa e quantitativa de carotenóides pode fornecer diferentes e importantes informações sobre os organismos que os contêm. Na análise de pigmentos por HPLC diversos detectores podem ser utilizados, como diode array (DAD) e eletroquímico (ED). O presente trabalho tem como objetivo desenvolver um método por HPLC utilizando uma coluna C 30 para a identificação e quantificação de dezesseis pigmentos em diferentes classes de algas, além de comparar as respostas obtidas nos detectores DAD e ED por meio da análise dos resultados de precisão e exatidão. Apesar do ED ser geralmente um detector mais sensível que o DAD, os resultados de precisão e exatidão foram mais satisfatórios para o DAD. O método desenvolvido foi eficiente para a análise quantitativa dos pigmentos de cianobactérias e diferentes classes de algas, sendo que o padrão cromatográfico encontrado em cada classe foi discutido.Qualitative and quantitative determination of carotenoids pigments can provide valuable information about the organisms in which this important class of compounds is found. In the HPLC analysis of pigments, diode array (DAD), electrochemical (ED) and other kinds of detector may be used. The aim of this work is to develop an HPLC method using a C 30 column to identify and quantify sixteen different pigments from algae. A further aim is to compare precision and accuracy obtained by DAD and ED. ED is normally more sensible than DAD. On the other hand, the highest precision and accuracy was obtained with DAD. In conclusion, the method was efficient for quantitative and qualitative analyses of pigments from cyanobacteria and different microalgae classes. Their pigment patterns for several organisms are also discussed.

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Patterns of major photosynthetic pigments in freshwater algae. 1. Cyanoprokaryota, Rhodophyta and Cryptophyta

Cited by 37 publications

References 84 publications

Acclimation of chlorophyll a and carotenoid levels to different irradiances in four freshwater cyanobacteria

Acclimation of chlorophyll a and carotenoid levels to different irradiances in four freshwater cyanobacteria

The biochemical basis for structural diversity in the carotenoids of chlorophototrophic bacteria

Comparison of diode array and electrochemical detection in the C30 reverse phase HPLC analysis of algae carotenoids

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